governor romney is a good day bator. i am just. >> reporter: the president is staying in nevada to prepare for the debate and romney is heading to colorado today. new jersey chris christie said romney is capable of a good debate. >> this whole race will turn upsetdown come thursday morning. >> i don't think one event will make or break there campaign. >> reporter: romney is trailing in the polls in most must-win states and voters, he says, will see a clear choice wednesday night. tara mergener, cbs news, the white house. >>> supreme court jumped into tricky issues in its first session of the fall. justices heard arguments over weather companies can be held responsible for human rights abuses in countries where they do business. a lawsuit against royal dutch petroleum said it was complicit and the high court said it will not hear a challenge against the use of full body scanners at airports. >>> byob. we are not talking about a barbecue with beer here, either, the message being sent to people shopping in one bay area city